Expression 6: left parenthesis, "t" left parenthesis, cot left parenthesis, "a" , right parenthesis , right parenthesis , 0 , right parenthesis Has graph.tcota,0
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 11
6
Expression 7: left parenthesis, cot left parenthesis, "a" , right parenthesis , "t" , right parenthesis Has graph.cota,t
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 11
7
Expression 8: left parenthesis, "t" left parenthesis, cot left parenthesis, "a" , right parenthesis , right parenthesis , "t" , right parenthesis Has graph.tcota,t
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 11
8
Expression 9: "z" equals mod left parenthesis, ceil left parenthesis, StartFraction, left parenthesis, 0.0 0 5 5 5 5 times left parenthesis, abs left parenthesis, "a" minus 180 , right parenthesis plus left parenthesis, "a" minus 180 , right parenthesis , right parenthesis , right parenthesis Over 1.9 9 , EndFraction , right parenthesis , 2 , right parenthesis equals 0z=modceil0.005555·absa−180+a−1801.99,2
equals=
00
9
Expression 10: left parenthesis, "z" left parenthesis, "t" left parenthesis, cos left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , "z" left parenthesis, "t" left parenthesis, sin left parenthesis, "a" , right parenthesis , right parenthesis , right parenthesis , right parenthesis Has graph.ztcosa,ztsina
domain t Minimum: 00
less than or equal to "t" less than or equal to≤t≤
domain t Maximum: 11
10
Expression 11: "x" squared plus "y" squared equals 1 Has graph. To audio trace, press ALT+T.x2+y2=1
11
Expression 12: "y" equals 1 Has graph. To audio trace, press ALT+T.y=1